Dunkin' Brands Group Inc on Thursday said it has struck a development deal to open 1,400 new Dunkin' Donuts cafes in China over the next 20 years.

The company said it currently has 16 Dunkin' Donuts cafes in China, a key growth market for top U.S. restaurant brands. Dunkin' Donuts rivals McDonald's Corp and Starbucks Corp , currently have roughly 2,000 and 1,400 units, respectively, inChina.

The long-term master franchise agreement, which Dunkin' described as its largest development deal in company history, is with Golden Cup Pte. Ltd.